Tank Louis Cartier watch, medium model, mechanical movement with manual winding, caliber 1917 MC. Platinum 950/1000 case. Dimensions: 33.7 x 25.5 mm, thickness: 6.6 mm. Gray dial with sunray-effect. Platinum 950/1000 beaded crown set with a ruby. Rhodiumized steel sword-shaped. Semi-matte gray alligator leather strap. Water-resistant up to 3 bar (approx. 30 meters/100 feet).